Results 121 to 130 of about 29,509 (254)

4th International symposium on particle image velocimetry CD-ROM proceedings

open access: yes, 2001
This CD ROM contains more than 180 papers presented at the 4th International Symposium on Particle Image Velocimetry (PIV'01), held in Goettingen, Germany, September 17 to 19, 2001. The PIV'01 Symposium has been organized by the Institute of Aerodynamics
DLR Deutsches Zentrum fuer Luft- und Raumfahrt e.V., Goettingen (Germany). Inst. fuer Aerodynamik und Stroemungstechnik   +1 more
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Hydrodynamics in a Bubble Column—Part 2: Three‐Phase Flow

open access: yesChemical Engineering &Technology, Volume 49, Issue 6, June 2026.
Multiphase computational fluid dynamics (CFD) simulation is a useful tool to study the hydrodynamics in a bubble column, if appropriate closure models exist. The present study extends a previous database to three‐phase flow experiments. This is achieved by using a combination of particle image velocimetry (PIV) and shadowgraphy to measure all phases ...
Anna‐Elisabeth Sommer   +7 more
wiley   +1 more source

Characterization of extrusion flow using particle image velocimetry

open access: yeseXPRESS Polymer Letters, 2009
The aim of this study was the characterization of polymer flows within an extrusion die using particle image velocimetry (PIV) in very constraining conditions (high temperature, pressure and velocity).
doaj   +1 more source

Magnetohydrodynamic velocity profile measurement for microelectromechanical systems micro-robot design

open access: yesInternational Journal of Advanced Robotic Systems, 2019
The development of microelectromechanical systems based on magnetohydrodynamic for micro-robot applications requires precise control of the micro-flow behavior. The micro-flow channel design and its performance under the influence of the Lorentz force is
Wendy Flores-Fuentes   +7 more
doaj   +1 more source

Laser bathymetry on rough riverbed channels: State‐of‐the‐art and future prospects

open access: yesEarth Surface Processes and Landforms, Volume 51, Issue 6, June 2026.
This literature review found that topo‐bathymetric LiDAR has been successfully used to capture the structures of rough riverbeds and detect large boulders. While all of the studies that were reviewed used sensors that were operated from fixed‐wing aircraft, few studies have yet tested UAV‐borne sensors on rough riverbeds, despite the potential offered ...
Theresa M. Himmelsbach   +4 more
wiley   +1 more source

Analysis of turbulence and vortex structures by flow mapping

open access: yes, 1997
The technique of Particle Image Velocimetry (PIV) flow mapping is reviewed and comparisons made with Laser Doppler Anemometry (LDA). Results are presented showing the application of PlV to the determination of coherent structures in grid-generated ...
Whale, J., Greated, C.A., Damm, C.E.
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Frequency-division-multiplexing technique for imaging metrology [PDF]

open access: yes, 2014
An algorithm to multiplex multiple image captures simultaneously onto a single image sensor at full frame resolution was developed for imaging metrology. Parseval’s theorem was used to obtain the image intensity from image time-series of around typically
Bledowski, Ian A.
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An Image Filter Technique To Relax Particle Image Velocimetry

open access: yes, 2011
Publication in the conference proceedings of EUSIPCO, Barcelona, Spain ...
Lars Rockstroh   +4 more
openaire   +2 more sources

Hydrodynamic and ecological effects of engineered logjams: Insights from field observations

open access: yesEarth Surface Processes and Landforms, Volume 51, Issue 6, June 2026.
Drone imaging, LSPIV and electrofishing data quantified restoration effects of engineered logjam at the Emme River (Switzerland). Placement and discharge shaped flow: Side jams created longer wakes, centre jams stronger mixing; and lower discharge intensified gap velocities, whereas wake length remained stable.
Felix Broß   +2 more
wiley   +1 more source

The investigation of tube sampling disturbance using transparent soil and particle image velocimetry [PDF]

open access: yes
A small-scale physical modelling system was developed and employed to investigate the effects of tube sampling. Amorphous silica and an oil blend of matching refractive index were mixed to form a transparent soil.
Hover, Eyre D.
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